| Patents for H04B 10 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication (73,125) |
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| 05/22/1984 | US4450564 Apparatus for modulating the output signal of a converter |
| 05/22/1984 | US4450554 Asynchronous integrated voice and data communication system |
| 05/22/1984 | US4449782 Modular, optical fiber communication system |
| 05/16/1984 | EP0108668A1 Operation and maintenance system for equipments distributed along a transmission link |
| 05/16/1984 | EP0108640A2 Optical network system of bus architecture capable of rapidly detecting collision at each communication station |
| 05/16/1984 | EP0108391A2 Optically controlling apparatus |
| 05/15/1984 | US4449210 Fiber optic hydrophone transducers |
| 05/15/1984 | US4449043 Optical power source control system |
| 05/10/1984 | WO1984001835A1 Optical fiber tap |
| 05/02/1984 | EP0107017A2 Fiber optic data transmission system |
| 05/01/1984 | US4446515 Passive bus system for decentrally organized multi-computer systems |
| 05/01/1984 | CA1166493A1 Optical slip ring assembly |
| 04/26/1984 | WO1984001679A1 A method of transferring an additional information channel across a transmission medium |
| 04/25/1984 | EP0106505A2 Fiber optic word generator |
| 04/18/1984 | EP0105753A2 Fiber optic coupling apparatus |
| 04/18/1984 | EP0105461A2 Concentric core optical fiber with crosstalk barrier |
| 04/18/1984 | EP0105319A1 An optical switch and a time division optical demultiplexer using such switch. |
| 04/17/1984 | US4443890 Optical-connection direct-light modulation information transmission system with a passband extended towards the low frequencies and continuous waves |
| 04/17/1984 | US4443786 Data transmission system employing wire and wireless transmission paths |
| 04/10/1984 | US4442364 Overhead electric transmission systems |
| 04/10/1984 | CA1165400A1 Device for automatic regulation of the output power of a transmitter module in an optical-fiber transmission system |
| 04/04/1984 | EP0104576A2 Optical coupling network for coupling a plurality of subscriber senders to a plurality of subscriber receivers by means of optical star couplers |
| 04/04/1984 | EP0104189A1 Optical telecontrol for apartment doors |
| 04/03/1984 | US4441181 Optical wavelength-division multiplex system |
| 04/03/1984 | US4441180 Service integrated communication transmission and interchange system |
| 04/03/1984 | US4440470 Optical transmission system coupling a semiconductor laser diode to a multimode optical fiber |
| 04/03/1984 | CA1164697A1 Optical communication arrangement |
| 03/28/1984 | EP0103873A2 Fibre-optic bus system |
| 03/21/1984 | EP0103467A2 Fiber optic data distributor |
| 03/20/1984 | US4438447 Multilayered optical integrated circuit |
| 03/20/1984 | US4438425 Multiple signal transmitting apparatus for automobiles |
| 03/20/1984 | US4438348 Temperature compensated avalanche photodiode optical receiver circuit |
| 03/14/1984 | EP0102815A2 Optical communication |
| 03/14/1984 | EP0102537A1 A method in the signal processing of a received train of pulses, and a receiver for carrying out the process |
| 03/13/1984 | US4437190 Device for switching signals by optical means and automatic switching units comprising said device |
| 03/13/1984 | US4436376 Light modulator, demodulator and method of communication employing the same |
| 03/13/1984 | US4436367 For coupling an optic signal to a stator detector |
| 03/13/1984 | US4436365 Signal transmission system |
| 03/13/1984 | CA1163735A1 Voice alarm signalling system |
| 03/13/1984 | CA1163702A1 Strip diode laser with reactance free fiber output |
| 03/13/1984 | CA1163458A1 Fibre optic measuring device with electrically controlled photo-luminescence |
| 03/07/1984 | EP0102174A2 Improvements in or relating to transimpedance amplifiers |
| 03/07/1984 | EP0101853A2 Arrangement for delivering galvanically isolated signals for a control system |
| 03/06/1984 | US4435850 Secure fiber optic data transmission system |
| 03/06/1984 | US4435849 Optical transmission system |
| 03/01/1984 | WO1984000822A1 Optically coupled integrated circuit array |
| 02/28/1984 | US4434510 Communication system and method |
| 02/28/1984 | CA1163025A1 Service integrated digital transmission system |
| 02/21/1984 | USRE31524 Apparatus for the detection and processing of electric signals |
| 02/21/1984 | CA1162431A1 Optical coupler for transmission and reception over optical fibre |
| 02/16/1984 | WO1984000613A1 A method in the signal processing of a received train of pulses, and a receiver for carrying out the process |
| 02/14/1984 | US4431258 Optical fiber transmission system and dichroic beam splitter therefor |
| 02/07/1984 | US4430572 Device for separating two light signals emitted by sources having different wavelengths and transmitted in a single optical fiber |
| 02/01/1984 | EP0099632A1 Optical transmission |
| 02/01/1984 | EP0099418A1 Method of controlling the output signals of an optical transmitter coupled to an optical fibre transmitting signals forward and backward |
| 01/31/1984 | US4429231 Optical system for interrogation of the status of a switch |
| 01/31/1984 | CA1161503A1 Receiver apparatus for converting optically encoded binary data to electrical signals |
| 01/25/1984 | EP0099224A1 Optical coupling device |
| 01/25/1984 | EP0099193A2 Optical guided wave signal processor for matrix-vector multiplication and filtering |
| 01/24/1984 | US4427261 Optical transmission system having reduced modal noise |
| 01/24/1984 | CA1161150A1 Seismic cable connector with optical transceiver |
| 01/24/1984 | CA1161148A1 Dual-wavelength light-emitting diode |
| 01/18/1984 | EP0098815A2 Fibre-optic switching means |
| 01/18/1984 | EP0098662A1 Infra-red receiver front end |
| 01/18/1984 | EP0098452A2 Circuit for detecting data collisions in an optical bus, and circuit for detecting the free state of the bus |
| 01/18/1984 | EP0098403A1 Device for the transmission of information |
| 01/17/1984 | US4426738 Dictating machine |
| 01/17/1984 | CA1160774A1 Service integrated transmission system |
| 01/17/1984 | CA1160771A1 Service integrated, digital transmission system |
| 01/17/1984 | CA1160770A1 Service integrated digital transmission system operating in time multiplex |
| 01/17/1984 | CA1160769A1 Service integrated digital signal transmission system |
| 01/17/1984 | CA1160768A1 Service integrated digital transmission system |
| 01/10/1984 | US4425647 IR Remote control system |
| 01/10/1984 | CA1160286A1 Dynamic contact checking circuit |
| 12/27/1983 | CA1159290A1 Non-polarizing thin film edge filter |
| 12/22/1983 | WO1983004462A1 A cordless key telephone system employing infrared transmission |
| 12/21/1983 | EP0096327A1 Distribution network |
| 12/20/1983 | US4422181 Bi-directional fibre-optic coupler |
| 12/20/1983 | US4422180 Control signal transmitting apparatus, particularly for aircraft |
| 12/20/1983 | US4422179 Electrical-optical interface network |
| 12/20/1983 | US4422088 Bus arrangement for interconnecting circuit chips |
| 12/13/1983 | US4420842 Fiber optic digital data transmitting system |
| 12/13/1983 | US4420841 Optically coupled bidirectional transceiver |
| 12/13/1983 | US4420724 FET Amplifier with wide dynamic range |
| 12/13/1983 | CA1158787A1 Service integrated communication transmission and interchange system |
| 12/06/1983 | CA1158082A1 Optical waveguide device |
| 11/29/1983 | US4418416 Frequency modulation transmitter for voice or data |
| 11/29/1983 | CA1157930A1 Arrangement comprising a semiconductor laser diode |
| 11/24/1983 | WO1983004150A1 Method and device for separating position of fault in light transmission line |
| 11/24/1983 | WO1983004147A1 Fet amplifier with wide dynamic range |
| 11/23/1983 | EP0094866A1 Bidirectional link arrangement of the single-mode optical fibre bus type |
| 11/23/1983 | EP0094710A1 Optical coupling device |
| 11/23/1983 | EP0094431A1 Telemetry system with signal booster for digital data transmission through a transmission line |
| 11/22/1983 | US4417334 Data processing system having dual-channel system bus |
| 11/22/1983 | US4417140 Fibre optic measuring device with electrically controlled photoluminescence |
| 11/16/1983 | EP0094096A1 Broad-band communication system |
| 11/15/1983 | US4415803 Optical receiver with improved dynamic range |
| 11/09/1983 | EP0093670A2 Multi-channel multi-cell optoelectronic switching networks for multi-service telecommunications systems |
| 11/09/1983 | EP0093578A2 Communications system |
| 11/08/1983 | CA1156748A1 Optical switch for a very large number of channels |